Probability and Statistics

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What is Probability?

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Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 (impossible event) and 1 (certain event).

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What is a Sample Space?

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A sample space is the set of all possible outcomes of a probability experiment.

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What is an Event in Probability?

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An event is a specific outcome or a set of outcomes from a sample space.

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How do you calculate the Probability of an Event?

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The probability of an event is calculated as the number of favorable outcomes divided by the total number of possible outcomes.

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What is a Histogram?

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A histogram is a graphical representation of the distribution of numerical data, showing the frequency of data points within specified ranges.

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What is the difference between Descriptive and Inferential Statistics?

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Descriptive statistics summarize and describe the features of a dataset, while inferential statistics use a random sample of data to make inferences about a larger population.

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What is a Random Variable?

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A random variable is a variable whose possible values are numerical outcomes of a random phenomenon.

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What is the Mean in Statistics?

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The mean is the average of a set of numbers, calculated by dividing the sum of all values by the number of values.

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What is the Median?

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The median is the middle value in a data set when the numbers are arranged in order.

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What is the Mode?

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The mode is the value that appears most frequently in a data set.